<template>
  <div>
    <h1>当前求和为:{{ sum }}</h1>
    <h3>当前求和放大十倍为:{{ bigSum }}</h3>
    <h3>{{ school }}学习{{ subject }}</h3>
    <h3>下方组件的总人数是:{{personList.length}}</h3>
    <select v-model.number="n">
      <option value="1">1</option>
      <option value="2">2</option>
      <option value="3">3</option>
    </select>
    <button @click="increment(n)">+</button>
    <button @click="decrement(n)">-</button>
    <button @click="incrementOdd(n)">当前求和为奇数再加</button>
    <button @click="incrementWait(n)">等一等再加</button>
  </div>
</template>

<script>
import {mapState, mapGetters, mapMutations, mapActions} from 'vuex'

export default {
  name: "Count",
  data() {
    return {
      n: 1,
      // sum: 0
    }
  },
  computed: {
    ...mapState(['sum', 'school', 'subject','personList']),
    ...mapGetters(['bigSum'])
  },
  mounted() {
  },
  methods: {
    //借助mapMutations生成的对应的方法, 方法中会调用commit去联系mutations(对象的写法)
    ...mapMutations({increment: 'JIA', decrement: 'JIAN'}),
    ...mapActions({incrementOdd: 'jiaOdd', incrementWait: 'jiaWait'})
  }
}
</script>

<style scoped>

</style>